CN105080789B - Apparatus for coating and spreader - Google Patents
Apparatus for coating and spreader Download PDFInfo
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- CN105080789B CN105080789B CN201510487453.6A CN201510487453A CN105080789B CN 105080789 B CN105080789 B CN 105080789B CN 201510487453 A CN201510487453 A CN 201510487453A CN 105080789 B CN105080789 B CN 105080789B
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- coating
- temporary storage
- storage cavity
- spreader
- piston
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Abstract
The present invention relates to a kind of apparatus for coating and spreader.Wherein spreader includes：Temporary storage cavity；For the inlet port that selected fluid is imported into temporary storage cavity；Stitched with the coating being connected of temporary storage cavity；And it is arranged on the piston in temporary storage cavity.When piston is moved in temporary storage cavity, the piston can make the selected fluid in temporary storage cavity flow out to the outside of spreader by being coated with seam, and promote flow velocity convergence of the selected fluid on the optional position of coating seam consistent.The surfaces to be coated of material to be coated can be uniformly coated with according to the spreader of the present invention.
Description
Technical field
The present invention relates to a kind of spreader (another title nozzle or painting that can be to the carry out even spread surfaces to be coated of material to be coated
The leftover of bolt of cloth), while the invention further relates to a kind of apparatus for coating for including the spreader.
Background technology
Spreader belongs to the core composition of apparatus for coating, is mainly used in selected fluid (such as paint or photoresistance) coating
The materials to be coated such as fabric, paper or plate it is surfaces to be coated on so that selected fluid forms a kind of with specific on coating surface
The film of function.For example, in liquid crystal display device technical field, spreader can be used for light blockage coating in the flat of glass substrate
On smooth surface so that photoresistance forms one layer of photoresist layer for being used to implement etching technique on flat surfaces.
Existing spreader includes temporary storage cavity and the inlet port for importing selected fluid, and is connected and right with temporary storage cavity
Accurate coating seam surfaces to be coated.In the course of the work, select fluid to be flowed into temporary storage cavity by inlet port, and promote to keep in
The selected fluid of intracavitary flows out to the outside of spreader by being coated with seam.However, due to being coated with each position sewed on to entrance
The distance of mouth is different so that Fluid pressure is different obtained by each position that coating is sewed on, and causes selected fluid to be sewed in coating
The flow velocity at each position differ greatly, ultimately causing existing spreader can not be uniform to the carry out surfaces to be coated of material to be coated
Coating.
The content of the invention
In order to solve the above problems, the invention provides it is a kind of can be to the carry out even spread surfaces to be coated of material to be coated
Spreader.Present invention also offers a kind of apparatus for coating for including the spreader simultaneously.
There is provided a kind of spreader according to the first aspect of the invention.The spreader includes：Temporary storage cavity；For selected
The inlet port that fluid is imported into temporary storage cavity；Stitched with the coating being connected of temporary storage cavity；And it is arranged on the piston in temporary storage cavity.
Wherein, piston is configured to when it is moved in temporary storage cavity, can make the selected fluid in temporary storage cavity by being coated with seam outflow, and
Promote flow velocity convergence of the selected fluid on the optional position of coating seam consistent.
In one embodiment, spreader also includes the exhaust outlet being connected with temporary storage cavity.
In one embodiment, inlet port is stitched than exhaust outlet closer to coating.
In one embodiment, exhaust outlet be arranged to when piston move away from coating seam maximum position when can be with piston
Close coating seam end face align.
In one embodiment, above-mentioned spreader also includes being used to close or open the first valve of exhaust outlet and for closing
Or open the second valve of inlet port.
In one embodiment, the end face of the close coating seam on piston is parallel with the cross section of coating seam.
In one embodiment, coating seam is straight opening.
In one embodiment, the shape of cross section of the shape of cross section of temporary storage cavity and coating seam is rectangle, temporary storage cavity
The contraction gradually tapered up including constant portion and along longitudinal be connected with constant portion and width dimensions towards the direction away from constant portion
Portion, piston is located in constant portion and can enter line slip along longitudinal direction, and coating seam is engaged with the homalocephalus end matching of contraction flow region, entered
Mouth is connected with constant portion.
There is provided a kind of apparatus for coating according to the second aspect of the invention.The apparatus for coating includes the according to the present invention
The spreader of one side and for the actuating mechanism for the piston for controlling spreader, actuating mechanism is constructed to be permeable to promote piston to exist
Moved in the temporary storage cavity of spreader.When piston is moved in temporary storage cavity, the selected fluid in temporary storage cavity can be made to pass through coating
Seam outflow, and promote flow velocity convergence of the selected fluid on the optional position of coating seam consistent, it is ensured that apparatus for coating of the invention
Can be to the carry out even spread surfaces to be coated of material to be coated, that is, the thickness ratio that coating layer is formed after being coated with is more uniform.
In one embodiment, actuating mechanism includes power source and is driven by power source and can promote the leading screw of piston
Mechanism, toggle or pinion and rack.
Selected fluid in temporary storage cavity is promoted by being coated with seam outflow by the motion of piston according to the spreader of the present invention
To the outside of spreader, and selected fluid can be promoted consistent in the flow velocity convergence for being coated with each position sewed on, so as to protect
Card spreader can be uniformly coated with to the surfaces to be coated of material to be coated.
According to simple in construction, the handling ease of the spreader of the present invention, using safety and stability, popularization and application convenient to carry out.
Brief description of the drawings
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein：
Fig. 1 is the stereogram of the spreader according to embodiments of the invention；
Fig. 2 is the sectional view of the spreader according to embodiments of the invention；And
Fig. 3, which is shown, includes the apparatus for coating of the spreader shown in Fig. 1 or Fig. 2.
Identical part uses identical reference in the accompanying drawings.Accompanying drawing is not drawn according to actual ratio.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is the spreader according to embodiments of the invention, and Fig. 2 is the section view of the spreader according to embodiments of the invention
Figure.As depicted in figs. 1 and 2, the body 4 for being formed with temporary storage cavity 6 is included according to the spreader 10 of the present invention.Body 4 can be by metal
Material is made.The configuration of body 4 is arranged to that the normal work of spreader 10 should not be influenceed.
In the present embodiment, the shape of cross section of temporary storage cavity 6 is rectangle.Temporary storage cavity 6 includes length and width size all
Constant constant portion 6a and be connected along longitudinal L with constant portion 6a and width dimensions gradually contracted towards away from constant portion 6a direction
The contraction flow region 6b subtracted.
According to the present invention, spreader 10 includes the inlet port 5 for being opened on body 4 and being connected with temporary storage cavity 6.Such as Fig. 2
Shown, inlet port 5 can be connected with constant portion 6a.Inlet port 5 is used to selected fluid imported into temporary storage cavity 6.Spreader 10
Including the coating seam 3 for being opened on body 4 and being connected with temporary storage cavity 6.The shape of cross section of coating seam 3 is rendered as rectangle.
Coating seam 3 is engaged with contraction flow region 6b homalocephalus end matching, i.e., the shape and size of coating seam 3 are respectively with being opened in contraction flow region 6b's
The shape and size of the opening at homalocephalus end are identical.In coating, coating seam 3 is surfaces to be coated parallel with material to be coated, so as to right
It is surfaces to be coated to be uniformly coated with.
Spreader 10 also includes the piston 2 being arranged in temporary storage cavity 6.Specifically, piston 2 is arranged on temporary storage cavity 6
Constant portion 6a is interior and can enter line slip along longitudinal L.The cross section (section in T directions) of piston 2 is transversal with constant portion 6a's
Face matches, i.e., the shape of cross section and size of piston 2 are identical with constant portion 6a shape of cross section and size respectively, to prevent
Selected fluid in temporary storage cavity 6 carries out vibration back and forth by the gap between piston 2 and temporary storage cavity 6.
In the present embodiment, when piston 2 is moved in temporary storage cavity 6, piston 2 can promote the selected stream in temporary storage cavity 6
Body is flowed out by being coated with seam 3, and promotes flow velocity convergence of the selected fluid on the optional position of coating seam 3 consistent.Yet with
Flow velocity convergence of the selected fluid on the optional position of coating seam 3 is consistent so that the spreader 10 can be carried out to surfaces to be coated
Even spread.
In this embodiment, the end face of the close coating seam 3 on piston 2 is parallel with the cross section of coating seam 3, to ensure
Flow velocity convergence of the selected fluid on the optional position of coating seam 3 is consistent.When coating seam 3 is surfaces to be coated parallel with material to be coated
When, the spreader 10 of the present embodiment just can be uniformly coated with to surfaces to be coated.Material to be coated it is surfaces to be coated usually flat
Surface, therefore when coating seam 3 elects straight opening as, spreader 10 can be uniformly coated with to flat surfaces.For example,
When material to be coated elects glass substrate as, straight coating seam 3 can the surface of glass substrate be uniformly coated with.
In order to avoid piston 2 introduces gas so as to influence the normal coating of spreader 10 in reciprocatory movement, it is coated with
Device 10 also includes the exhaust outlet 7 being connected with temporary storage cavity 6.Exhaust outlet 7 can be connected with the constant portion 6a of temporary storage cavity 6.Exhaust outlet 7 is used
Gas (such as air) in discharge for the time being chamber 6, it is possible thereby to be prevented effectively from the normal coating that gas disturbs spreader 10.Its
Middle exhaust outlet 7 both can may be lower than inlet port 5 higher than inlet port 5 in longitudinal directionl.
In this embodiment, inlet port 5 is arranged to stitch 3 closer to coating than exhaust outlet 7.When piston 2 moves away from applying
During the maximum position of cloth seam 3, selected fluid can be entered in the temporary storage cavity 6 of spreader 10 by inlet port 5.When in temporary storage cavity 6
Liquid level when being aligned with exhaust outlet 7 (when i.e. the place plane of liquid level intersects with exhaust outlet 7), stop injecting to temporary storage cavity 6 and select
Constant current body, promotes piston 2 to be moved to the position being in contact with the liquid level in temporary storage cavity 6 so that the gas in temporary storage cavity 6 is complete
Discharge.
In order to simplify exhaust process.Exhaust outlet 7 is arranged to the energy when piston 2 moves away from the maximum position of coating seam 3
The end face that enough close coatings with piston 2 stitch 3 aligns.The end face of the so-called close coating seam 3 for referring to piston 2 that aligns
Place plane intersects with coating seam 3.When piston 2 moves away from the maximum position of coating seam 3, selected fluid can be by entering
Mouth 5 is entered in the temporary storage cavity 6 of spreader 10.Because the end face that the close coating of exhaust outlet 7 and piston 2 stitches 3 aligns, keep in
Liquid level in chamber 6 can directly rise to be in contact with the end face of piston 2, and the gas in temporary storage cavity 6 is arranged completely by exhaust outlet 7
Go out.
Apparatus for coating 10 also includes being used to close or open the first valve 8 of exhaust outlet 7 and for closing or opening entrance
Second valve 9 of mouth 5.When spreader 10 performs coating work, the first valve 8 and the second valve 9 are in closed mode, with the row of avoiding
Gas port 7 and inlet port 5 influence or disturb the coating of spreader 10.When requiring supplementation with selected fluid in spreader 10, the first valve 8
Open mode is in the second valve 9, selected fluid can be smoothly entered in spreader 10 by inlet port 5, and passes through exhaust
Mouth 7 discharges the selected fluid in spreader 10.
Fig. 3, which is shown, includes the apparatus for coating of spreader shown in Fig. 1.The apparatus for coating 100 includes spreader 10 and is used for
Control the actuating mechanism of spreader 10.Actuating mechanism 20 is constructed to be permeable to promote piston 2 to move in temporary storage cavity 6 so that
Selected fluid in spreader 10 can flow out to the outside of spreader 10 by being coated with seam 3, and promote selected fluid in coating
Flow velocity convergence on the optional position of seam 3 is consistent.Due to selecting flow velocity convergence one of the fluid on the optional position of coating seam 3
Cause so that the spreader 10 can be to the carry out even spread surfaces to be coated of material to be coated 30, it is ensured that one can be formed on surfaces to be coated
Layer coating layer 40 in uniform thickness.
In the present embodiment, actuating mechanism 20 includes power source 201 and is driven by power source 201 and can promote piston
2 screw mechanism 202 (including leading screw and feed screw nut).The apparatus for coating 100 is arranged on the upper of spreader 10 including fixed
The fixed seat 203 of side.In fixed seat 203 provided with power source 201 and through fixed seat 203 leading screw and be arranged on fixed seat
Feed screw nut in 203.Power source 201 is chosen as motor.When power source 201, which actuates feed screw nut, to be rotated, leading screw can band
The dynamic piston 2 for being fixed on its end is moved, so that the selected fluid in spreader 10 is released to the outside of coating seam 3.
It is easily understood that the power set that motor can have rotatable rotating shaft by hydraulic motor or engine etc. are replaced
Change, screw mechanism 202 can will be switched to the transmission mechanism of linear motion by toggle, pinion and rack etc.
Replace.
In summary, the spreader 10 and apparatus for coating 100 of embodiments of the invention can be to the tables to be coated of material to be coated
Face is uniformly coated with, it is ensured that the uniform coating of a layer thickness can be formed on surfaces to be coated.
Although by reference to preferred embodiment, invention has been described, is not departing from the situation of the scope of the present invention
Under, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as in the absence of structure punching
Prominent, the every technical characteristic being previously mentioned in each embodiment can combine in any way.The invention is not limited in text
Disclosed in specific embodiment, but all technical schemes including falling within the scope of the appended claims.
Claims (6)
1. a kind of spreader, including：
Temporary storage cavity；
For the inlet port that selected fluid is imported into the temporary storage cavity；
Stitched with the coating being connected of the temporary storage cavity；And
It is arranged on the piston in the temporary storage cavity；
Wherein, the piston is configured to that, when it is moved in the temporary storage cavity, the selected fluid in the temporary storage cavity can be made
By the coating seam outflow, and promote flow velocity convergence of the selected fluid on the optional position of the coating seam consistent；
The spreader also includes the exhaust outlet that is connected with the temporary storage cavity, and the inlet port is than the exhaust outlet closer to described
Coating seam, the exhaust outlet is arranged to can be with the work when the piston moves away from the maximum position of the coating seam
The end face of the close coating seam of plug aligns；
The shape of cross section that the shape of cross section of the temporary storage cavity and coating are stitched is rectangle, and the temporary storage cavity includes constant portion
With along longitudinal be connected with the constant portion and width dimensions towards the contraction flow region that gradually tapers up of direction away from the constant portion,
The piston is located in the constant portion and can enter line slip along longitudinal direction, the homalocephalus end of the coating seam and the contraction flow region
Matching engagement, the inlet port is connected with constant portion.
2. spreader according to claim 1, it is characterised in that also including for closing or opening the of the exhaust outlet
One valve and the second valve for closing or opening the inlet port.
3. spreader according to claim 1, it is characterised in that the end face of the close coating seam on the piston with
The cross section of the coating seam is parallel.
4. spreader according to claim 3, it is characterised in that the coating seam is straight opening.
5. a kind of apparatus for coating, including spreader according to any one of claim 1 to 4 and for controlling the coating
The actuating mechanism of the piston of device, the actuating mechanism is constructed to be permeable to promote the piston to transport in the temporary storage cavity of the spreader
It is dynamic.
6. apparatus for coating according to claim 5, it is characterised in that the actuating mechanism includes power source and by power
Source drives and can promote the screw mechanism, toggle or pinion and rack of the piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510487453.6A CN105080789B (en) | 2015-08-10 | 2015-08-10 | Apparatus for coating and spreader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510487453.6A CN105080789B (en) | 2015-08-10 | 2015-08-10 | Apparatus for coating and spreader |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105080789A CN105080789A (en) | 2015-11-25 |
| CN105080789B true CN105080789B (en) | 2017-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510487453.6A Active CN105080789B (en) | 2015-08-10 | 2015-08-10 | Apparatus for coating and spreader |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105855131A (en) * | 2016-05-31 | 2016-08-17 | 厦门天马微电子有限公司 | Dispensing head and dispensing device |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK0799096T3 (en) * | 1994-12-22 | 2001-11-05 | Steag Hamatech Ag | Method and apparatus for varnishing or coating a substrate |
| RU2118915C1 (en) * | 1997-08-22 | 1998-09-20 | Воронежская государственная технологическая академия | Apparatus for applying liquid to article surface |
| JP2000167467A (en) * | 1998-12-02 | 2000-06-20 | Sanken Electric Co Ltd | Dispenser movement controller |
| EP1010473B1 (en) * | 1998-12-17 | 2006-07-12 | Guardian Industries Corp. | Device and method for coating a even substrate |
| JP4077292B2 (en) * | 2002-10-02 | 2008-04-16 | 株式会社日本製鋼所 | Method and apparatus for applying thermoplastic molten resin |
| US7344665B2 (en) * | 2002-10-23 | 2008-03-18 | 3M Innovative Properties Company | Coating die with expansible chamber device |
| JP2005222911A (en) * | 2004-02-09 | 2005-08-18 | Matsushita Electric Ind Co Ltd | Manufacturing method of intermittent coating device and sheet shape electrode |
| JP4490320B2 (en) * | 2005-03-31 | 2010-06-23 | 東レエンジニアリング株式会社 | Coating device |
| BRPI0807800B1 (en) * | 2007-01-26 | 2020-04-22 | Knobel Alex | device and process for dosing masses and foamed masses |
| KR100830050B1 (en) * | 2007-04-17 | 2008-05-16 | 주식회사 케이씨텍 | Apparatus for providing photoresist of slit coater |
| DE102007035703A1 (en) * | 2007-07-30 | 2009-02-05 | Robert Bosch Gmbh | Device for applying liquid coating materials |
| CN204234264U (en) * | 2014-10-29 | 2015-04-01 | 政钰机械股份有限公司 | Coating machine apparatus for coating |
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| CN105080789A (en) | 2015-11-25 |
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